19302381

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 33570240

約数和(自身を除く): 14267859

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 577, 1239, 1593, 1731, 3717, 4039, 4779, 5193, 11151, 12117, 15579, 33453, 34043, 36351, 46737, 102129, 109053, 238301, 306387, 327159, 714903, 919161, 2144709, 2757483, 6434127, 19302381]

約数ペア:

[(1, 19302381), (3, 6434127), (7, 2757483), (9, 2144709), (21, 919161), (27, 714903), (59, 327159), (63, 306387), (81, 238301), (177, 109053), (189, 102129), (413, 46737), (531, 36351), (567, 34043), (577, 33453), (1239, 15579), (1593, 12117), (1731, 11151), (3717, 5193), (4039, 4779)]